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ST 2 A/MASS AVE over ST 2 COMMONWEALTH AVE

Map

Coordinates:
+42.34911, -71.08865
42°20'57" N, 71°05'19" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ST 2 A/MASS AVE over ST 2 COMMONWEALTH AVE
Structure number:B1623738NMUNNBI
Location:JUST S CHARLES RIV
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:24.0 ft. [7.3 m]
Total length:50.9 ft. [15.5 m]
Roadway width between curbs:60.0 ft. [18.3 m]
Deck width edge-to-edge:95.1 ft. [29.0 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1937
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: February 2016

Good/Fair/Poor Condition:Poor
Status:Open, would be posted or closed except for temporary shoring [D]
Average daily traffic:28,200 [as of 2016]
Truck traffic:12% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:90.2 tons [82.0 metric tons]
Inventory rating:35.0 tons [31.8 metric tons]
Sufficiency rating:74.4
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$2,492,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201674.4PoorPoorFairFairSD28200
February 201472.9PoorPoorFairFairSD29700
February 201272.9PoorPoorFairFairSD29700
February 201072.9PoorPoorFairFairSD29500
February 200872.9PoorPoorFairFairSD29500
February 200672.7PoorPoorFairFairSD31300
February 200472.2PoorPoorFairFairSD35300
February 200275.2PoorPoorFairFairSD21000
March 200075.3PoorPoorFairFairSD19900

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.8000768320
Deck
Reinforced Concrete Decksq. ft.4,8473,2584571,1320
Wearing Surfacessq. ft.4,8474,39045700
Substructure
Steel Columneach80800
Steel Protective Coatingsq. ft.999999000
Reinforced Concrete Abutmentlinear ft.1941445000
Bearings
Movable Bearingeach1616000
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach2424000
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.102001020